Networks of international patent citations: pattern of growth, self-organization and change
Leonardo Ribeiro and
Eduardo Albuquerque ()
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Jorge Britto: Universidade Federal Fluminense
Leonardo Ribeiro: Cedeplar-UFMG
No 605, Textos para Discussão Cedeplar-UFMG from Cedeplar, Universidade Federal de Minas Gerais
This paper investigates networks of cross-border patent citations - the patent assignee as a node and an international patent citation as a link. The data (patents and their international citations, selected years between 1991 and 2009) show a network growing over time - more institutions, more links and more countries - and preserving its scale-free properties, a self-organized system with changes in technological specialization. This firm-led network is compared to a network of international colaboration in science - a university-led network. The overlaping of those two international self-organized systems might be a source of an emerging international system of innovation.
Keywords: Patent Citations; International Knowledge flows; Innovation Systems (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cse, nep-ino, nep-int, nep-ipr, nep-tid and nep-ure
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